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util.js
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util.js
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function cascadeElement(element, i) {
element.style.left = i * 10;
element.style.top = i * 10;
element.style["z-index"] = -i;
}
function getLast(collection) {
return collection[collection.length - 1];
}
function getLastPosition(collection) {
var last = getLast(collection);
return last.style.left || 0;
}
function getPosition(element) {
return parseInt(element.style.left) || 0;
}
function addClass(el, className) {
if(el.length && el.length >= 1) {
for(var i=0; i < el.length; i++) {
if (el[i].classList)
el[i].classList.add(className);
else
el[i].className += ' ' + className;
}
} else {
if (el.classList)
el.classList.add(className);
else
el.className += ' ' + className;
}
}
function removeClass(el, className) {
if(el.length && el.length >= 1) {
for(var i=0; i < el.length; i++) {
if (el[i].classList)
el[i].classList.remove(className);
else
el[i].className = el[i].className.replace(new RegExp('(^|\\b)' + className.split(' ').join('|') + '(\\b|$)', 'gi'), ' ');
}
} else {
if (el.classList)
el.classList.remove(className);
else
el.className = el.className.replace(new RegExp('(^|\\b)' + className.split(' ').join('|') + '(\\b|$)', 'gi'), ' ');
}
}
function toggleClass(el, className) {
if (el.classList) {
el.classList.toggle(className);
} else {
var classes = el.className.split(' ');
var existingIndex = classes.indexOf(className);
if (existingIndex >= 0)
classes.splice(existingIndex, 1);
else
classes.push(className);
el.className = classes.join(' ');
}
}
function removeElement(el) {
el.parentElement.removeChild(el);
}
function prepend(parent, el) {
parent.insertBefore(el, parent.firstChild);
}